Sodium chloride and prussic acid are formed
NaCN+HCl→NaCl+HCN
You haven't attached any options but anyways, to help you with your question, elements belonging to the same group (e.g. alkali metals, noble gases) all have the same chemical properties. Hydrogen, for example, have the same properties with Sodium, Potassium and Lithium.
it is either "aweak acid or a lousy (or very weak) acid"
